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CVE-2026-8849: CWE-416 Use After Free in RTI Connext Professional

0
High
VulnerabilityCVE-2026-8849cvecve-2026-8849cwe-416
Published: 09/22/2026 (09/22/2026, 17:50:14 UTC)
Source: CVE Database V5
Vendor/Project: RTI
Product: Connext Professional

Description

Use After Free vulnerability in RTI Connext Professional (Security Plugins) allows File Manipulation. This issue affects Connext Professional: from 7.6.0 before 7.7.0.1.

CVSS v4.0

Score 7.7high

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
Present
Privileges Required
Low
User Interaction
None
Vuln. Confidentiality
High
Vuln. Integrity
High
Vuln. Availability
High
Subsq. Confidentiality
None
Subsq. Integrity
None
Subsq. Availability
None
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Affected software

RTI

Connext Professional

Affected versions
>=7.6.0 <7.7.0.1
GitHub Actionsmore threats →ai
rti/connext-professional
pkg:github/rti/connext-professional
Affected versions
>=7.6.0 <7.7.0.1

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AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 09/22/2026, 18:17:37 UTC

Technical Analysis

This vulnerability (CWE-416) in RTI Connext Professional's Security Plugins involves a Use After Free condition that enables an attacker to manipulate files. It affects versions >=7.6.0 and <7.7.0.1. The CVSS 4.0 vector indicates network attack vector, low attack complexity, partial privileges required, no user interaction, and high impact on confidentiality, integrity, and availability.

Potential Impact

Successful exploitation could allow an attacker with limited privileges to manipulate files, potentially compromising confidentiality, integrity, and availability of the affected system components. The high CVSS score reflects significant impact but requires partial privileges.

Mitigation Recommendations

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or patch links are provided in the available data. Until a patch is available, restrict access to affected versions and monitor for updates from RTI.

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Technical Details

Data Version
5.2
Assigner Short Name
RTI
Date Reserved
2026-05-18T15:46:09.935Z
Cvss Version
4.0
State
PUBLISHED

Threat ID: 6ab2c2f1f7a7c541068b81e9

Added to database: 09/22/2026, 18:03:29 UTC

Last enriched: 09/22/2026, 18:17:37 UTC

Last updated: 09/23/2026, 01:58:06 UTC

Views: 10

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